Free Browser Tools for
Developers, Designers & Creators
Practical image, code, color, and text tools for everyday work. They run in your browser, so your files stay on your device.
Image Tools
Image Format Converter
Convert JPG, PNG, WebP, GIF, and BMP files in your browser. Handle one image or a batch without uploading anything.
OpenImage Compressor
Shrink JPG, PNG, and WebP images while keeping them sharp enough for the web, email, or sharing.
OpenImage Resizer
Resize images to exact pixel dimensions or use ready-made social media sizes while keeping proportions intact.
OpenImage Color Extractor
Pull dominant colors from an image and copy ready-to-use HEX, RGB, and HSL values.
OpenDeveloper Tools
Excel to JSON
Convert Excel or CSV files into readable JSON arrays for apps, APIs, imports, and quick data checks.
OpenExcel ⇄ XML Converter
Convert Excel files to XML, or rebuild an Excel sheet from XML, without sending the file to a server.
OpenJSON Formatter
Format, validate, and minify JSON so messy data becomes easier to read, debug, and share.
OpenJSON to Dart
Generate null-safe Dart model classes from JSON responses for Flutter apps and API integrations.
OpenColor & Design Tools
Color Picker
Pick exact colors from images or build color values in HEX, RGB, HSL, and CMYK.
OpenGradient Generator
Build linear or radial gradients and copy the code for CSS, Tailwind, or Flutter.
OpenContrast Checker
Check text and background colors against WCAG contrast rules before you ship a design.
OpenText & File Tools
Word Counter
Count words, characters, sentences, and paragraphs with live reading-time and keyword stats.
OpenCase Converter
Convert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, and more.
OpenLorem Ipsum Generator
Generate Lorem Ipsum placeholder text by words, sentences, or paragraphs for layouts and drafts.
OpenFile Size Calculator
Convert file sizes between bytes, KB, MB, GB, and TB, including decimal and binary units.
OpenPDF Tools
Browser PDF Editor
A blazing-fast, 100% private PDF editor powered by Rust + WebAssembly. View, annotate, draw, add text and images, reorder, rotate, merge, split, extract, compress, OCR, fill forms and sign PDFs — entirely on your device.
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